<template>
  <view
      :class="{ 'uni-card--full': isFull === true || isFull === 'true', 'uni-card--shadow': isShadow === true || isShadow === 'true' }"
      class="uni-card" @click="onClick">
    <view v-if="mode === 'style'" class="uni-card__thumbnailimage">
      <view class="uni-card__thumbnailimage-box">
        <image class="uni-card__thumbnailimage-image" :src="thumbnail" mode="aspectFill"/>
      </view>
      <view v-if="title" class="uni-card__thumbnailimage-title">
        <text class="uni-card__thumbnailimage-title-text">{{ title }}</text>
      </view>
    </view>
    <view v-if="mode === 'title'" class="uni-card__title">
      <view class="uni-card__title-header">
        <image class="uni-card__title-header-image" :src="thumbnail" mode="scaleToFill"/>
      </view>
      <view class="uni-card__title-content">
        <text class="uni-card__title-content-title">{{ title }}</text>
        <text class="uni-card__title-content-extra">{{ extra }}</text>
      </view>
    </view>
    <!-- 标题 -->
    <view v-if="mode === 'basic' && title" class="uni-card__header">
      <view v-if="thumbnail" class="uni-card__header-extra-img-view">
        <image :src="thumbnail" class="uni-card__header-extra-img"/>
      </view>
      <text class="uni-card__header-title-text">{{ title }}</text>
      <text v-if="extra" class="uni-card__header-extra-text">{{ extra }}</text>
    </view>
    <!-- 内容 -->
    <view class="uni-card__content uni-card__content--pd">
      <view v-if="mode === 'style' && extra" class="">
        <text class="uni-card__content-extra">{{ extra }}</text>
      </view>
      <slot/>
    </view>
    <!-- 底部 -->
    <view v-if="note" class="uni-card__footer">
      <slot name="footer">
        <text class="uni-card__footer-text">{{ note }}</text>
      </slot>
    </view>
  </view>
</template>

<script>
/**
 * Card 卡片
 * @description 卡片视图组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=22
 * @property {String} title 标题文字
 * @property {String} extra 标题额外信息
 * @property {String} note 标题左侧缩略图
 * @property {String} thumbnail 底部信息
 * @property {String} mode = [basic|style|title] 卡片模式
 *  @value basic 基础卡片
 *  @value style 图文卡片
 *  @value title 标题卡片
 * @property {Boolean} isFull = [true | false] 卡片内容是否通栏，true 时将去除padding值
 * @property {Boolean} isShadow = [true | false] 卡片内容是否开启阴影
 * @event {Function} click 点击 Card 触发事件
 * @example <uni-card title="标题文字" thumbnail="https://img-cdn-qiniu.dcloud.net.cn/new-page/uni.png" extra="额外信息" note="Tips">内容主体，可自定义内容及样式</uni-card>
 */
export default {
  name: 'UniCard',
  props: {
    title: {
      type: String,
      default: ''
    }, // 标题
    extra: {
      type: String,
      default: ''
    }, // 扩展信息
    note: {
      type: String,
      default: ''
    }, // Tips
    thumbnail: {
      type: String,
      default: ''
    }, // 缩略图
    // 卡片模式 ， 可选值 basic：基础卡片 ；style ：图文卡片 ； title ：标题卡片
    mode: {
      type: String,
      default: 'basic'
    },
    isFull: {
      // 内容区域是否通栏
      type: Boolean,
      default: false
    },
    isShadow: {
      // 是否开启阴影
      type: Boolean,
      default: false
    }
  },
  methods: {
    onClick() {
      this.$emit('click')
    }
  }
}
</script>

<style scoped>
.uni-card {
  /* #ifndef APP-NVUE */
  display: flex;
  flex: 1;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  /* #endif */
  margin: 12px;
  background-color: #ffffff;
  position: relative;
  flex-direction: column;
  border-color: #e5e5e5;
  border-style: solid;
  border-width: 1px;
  border-radius: 3px;
  overflow: hidden;

}

.uni-card__thumbnailimage {
  position: relative;
  flex-direction: column;
  justify-content: center;
  height: 150px;
  overflow: hidden;
}

.uni-card__thumbnailimage-box {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex: 1;
  flex-direction: row;
  overflow: hidden;
}

.uni-card__thumbnailimage-image {
  flex: 1;
}

.uni-card__thumbnailimage-title {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  flex-direction: row;
  padding: 16rpx 24rpx;
  background-color: rgba(0, 0, 0, 0.4);
}

.uni-card__thumbnailimage-title-text {
  flex: 1;
  font-size: 28rpx;
  color: #fff;
}

.uni-card__title {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  padding: 10px;
  border-bottom-color: #F5F5F5;
  border-bottom-style: solid;
  border-bottom-width: 1px;
}

.uni-card__title-header {
  width: 40px;
  height: 40px;
  overflow: hidden;
  border-radius: 5px;
}

.uni-card__title-header-image {
  width: 40px;
  height: 40px;
}

.uni-card__title-content {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
  justify-content: center;
  padding-left: 10px;
  height: 40px;
  overflow: hidden;


}

.uni-card__title-content-title {
  font-size: 28rpx;
  line-height: 22px;
  lines: 1;
}

.uni-card__title-content-extra {
  font-size: 26rpx;
  line-height: 35rpx;
  color: #999;
}

.uni-card__header {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  position: relative;
  flex-direction: row;
  padding: 24rpx;
  align-items: center;
  border-bottom-color: #e5e5e5;
  border-bottom-style: solid;
  border-bottom-width: 1px;
}

.uni-card__header-title {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  margin-right: 16rpx;
  justify-content: flex-start;
  align-items: center;
}

.uni-card__header-title-text {
  font-size: 32rpx;
  flex: 1;
  /* #ifndef APP-NVUE */
  white-space: nowrap;
  /* #endif */
  /* #ifdef APP-NVUE */
  lines: 1;
  /* #endif */
  overflow: hidden;
  text-overflow: ellipsis;
}

.uni-card__header-extra-img {
  height: 40rpx;
  width: 40rpx;
  margin-right: 16rpx;
}

.uni-card__header-extra-text {
  flex: 1;
  margin-left: 16rpx;
  font-size: 28rpx;
  text-align: right;
  color: #999;
}

.uni-card__content {
  color: #333;
}

.uni-card__content--pd {
  padding: 24rpx;
}

.uni-card__content-extra {
  font-size: 28rpx;
  padding-bottom: 10px;
  color: #999;
}

.uni-card__footer {
  justify-content: space-between;
  padding: 10px;
  border-top-color: #e5e5e5;
  border-top-style: solid;
  border-top-width: 1px;
}

.uni-card__footer-text {
  color: #999;
  font-size: 28rpx;
}

.uni-card--shadow {
  border-color: #e5e5e5;
  border-style: solid;
  border-width: 1px;
  /* #ifndef APP-NVUE */
  box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2);
  /* #endif */
}

.uni-card--full {
  margin: 0;
  border-radius: 0;
}
</style>